An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.
Classification: Other taps, cocks, valves, etc., nesoi
NSN 5975-01-346-2554
NSN 6685-01-640-8063
NSN 6685-00-014-6081
NSN 5999-00-702-5474
NSN 7035-00-238-3662
NSN 5999-01-364-0277
NSN 5905-01-416-6483
NSN 5950-01-577-8837
NSN 6650-01-014-7671
NSN 6135-00-488-4478
NSN 6610-00-570-5360
NSN 5945-01-202-9666